worker: fix a crash

Found when running in Docker.

3 files changed, 9 insertions, 0 deletions

diff --git a/src/process.c b/src/process.c
index fa15641..1a4b032 100644
--- a/src/process.c
+++ b/src/process.c
@@ -114,6 +114,13 @@ close_pipe:
 	return ret;
 }
 
+void proc_output_init(struct proc_output *output)
+{
+	output->ec = 0;
+	output->output = NULL;
+	output->output_len = 0;
+}
+
 void proc_output_free(const struct proc_output *output)
 {
 	free(output->output);
diff --git a/src/process.h b/src/process.h
index d47536f..b378ad1 100644
--- a/src/process.h
+++ b/src/process.h
@@ -18,6 +18,7 @@ int proc_spawn(const char *args[], int *ec);
  * In that case, you'll need to free the output. */
 int proc_capture(const char *args[], struct proc_output *result);
 
+void proc_output_init(struct proc_output *);
 void proc_output_free(const struct proc_output *);
 
 #endif
diff --git a/src/worker.c b/src/worker.c
index baba9b0..fef6b78 100644
--- a/src/worker.c
+++ b/src/worker.c
@@ -87,6 +87,7 @@ static int msg_ci_run_handler(struct worker *worker, const struct msg *request)
 	struct proc_output result;
 	int ret = 0;
 
+	proc_output_init(&result);
 	ret = msg_ci_run_do(request->argv[1], request->argv[2], &result);
 	proc_output_free(&result);